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Add dynamic captcha support

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This commit is contained in:
Zankaria 2024-05-25 00:32:44 +02:00
parent 81f5c70681
commit 483d553fc0
4 changed files with 60 additions and 7 deletions
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26
post.php
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@ -74,14 +74,21 @@ function strip_markup($post_body)
*/
function check_recaptcha($secret, $response, $remote_ip)
{
$resp = json_decode(file_get_contents(
sprintf(
if ($remote_ip !== null) {
$req = sprintf(
'https://www.google.com/recaptcha/api/siteverify?secret=%s&response=%s&remoteip=%s',
$secret,
urlencode($response),
$remote_ip
)
), true);
);
} else {
$req = sprintf(
'https://www.google.com/recaptcha/api/siteverify?secret=%s&response=%s&remoteip=%s',
$secret,
urlencode($response),
);
}
$resp = json_decode(file_get_contents($req), true);
return !!$resp['success'];
}
@ -683,8 +690,17 @@ function handle_post()
if (!$dropped_post) {
if ($config['dynamic_captcha'] && $_SERVER['REMOTE_ADDR'] === '127.0.0.1' && $config['recaptcha']) {
if (!isset($_POST['g-recaptcha-response'])) {
error($config['error']['bot']);
}
if (!check_recaptcha($config['recaptcha_private'], $_POST['g-recaptcha-response'], null)) {
error($config['error']['captcha']);
}
}
// Check for CAPTCHA right after opening the board so the "return" link is in there.
if ($config['recaptcha']) {
if (!$config['dynamic_captcha'] && $config['recaptcha']) {
if (!isset($_POST['g-recaptcha-response'])) {
error($config['error']['bot']);
}